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853422 = 23142237
BaseRepresentation
bin11010000010110101110
31121100200020
43100112232
5204302142
630143010
710153053
oct3202656
91540606
10853422
11533209
12351a66
1323b5ab
1418302a
1511ccec
hexd05ae

853422 has 8 divisors (see below), whose sum is σ = 1706856. Its totient is φ = 284472.

The previous prime is 853403. The next prime is 853427. The reversal of 853422 is 224358.

853422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

853422 is an admirable number.

It is a super-2 number, since 2×8534222 = 1456658220168, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 853392 and 853401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853427) by changing a digit.

853422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71113 + ... + 71124.

It is an arithmetic number, because the mean of its divisors is an integer number (213357).

2853422 is an apocalyptic number.

853422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

853422 is a wasteful number, since it uses less digits than its factorization.

853422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142242.

The product of its digits is 1920, while the sum is 24.

The square root of 853422 is about 923.8084216979. The cubic root of 853422 is about 94.8537731921.

It can be divided in two parts, 853 and 422, that added together give a triangular number (1275 = T50).

The spelling of 853422 in words is "eight hundred fifty-three thousand, four hundred twenty-two".

Divisors: 1 2 3 6 142237 284474 426711 853422